PMC:1084331 / 3976-3985 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T2001","span":{"begin":2,"end":6},"obj":"NN"},{"id":"T2002","span":{"begin":6,"end":8},"obj":","}],"text":"f Er81, a"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T1450","span":{"begin":2,"end":6},"obj":"PR_EXT:000007223"}],"text":"f Er81, a"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T1304","span":{"begin":2,"end":6},"obj":"PR:000007223"}],"text":"f Er81, a"}